Base | Representation |
---|---|
bin | 1001000110010111111100… |
… | …01011111101010000110111 |
3 | 2121211221212210100200112210 |
4 | 10203023332023331100313 |
5 | 10110321413341242101 |
6 | 110320322535344503 |
7 | 4133455650262443 |
oct | 443137613752067 |
9 | 77757783320483 |
10 | 20010222212151 |
11 | 6415318856356 |
12 | 22b2146b22133 |
13 | b21c57034792 |
14 | 4d26ddb05823 |
15 | 24a7a24d97d6 |
hex | 1232fe2fd437 |
20010222212151 has 8 divisors (see below), whose sum is σ = 26715541063024. Its totient is φ = 13322525751360.
The previous prime is 20010222212111. The next prime is 20010222212153. The reversal of 20010222212151 is 15121222201002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20010222212151 - 217 = 20010222081079 is a prime.
It is a super-2 number, since 2×200102222121512 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20010222212153) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4405594870 + ... + 4405599411.
It is an arithmetic number, because the mean of its divisors is an integer number (3339442632878).
Almost surely, 220010222212151 is an apocalyptic number.
20010222212151 is a deficient number, since it is larger than the sum of its proper divisors (6705318850873).
20010222212151 is an equidigital number, since it uses as much as digits as its factorization.
20010222212151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8811195041.
The product of its (nonzero) digits is 320, while the sum is 21.
Adding to 20010222212151 its reverse (15121222201002), we get a palindrome (35131444413153).
The spelling of 20010222212151 in words is "twenty trillion, ten billion, two hundred twenty-two million, two hundred twelve thousand, one hundred fifty-one".
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